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首页> 外文期刊>The Analyst: The Analytical Journal of the Royal Society of Chemistry: A Monthly International Publication Dealing with All Branches of Analytical Chemistry >Raman microspectroscopy of noncancerous and cancerous human breast tissues. Identification and phase transitions of linoleic and oleic acids by Raman low-temperature studies
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Raman microspectroscopy of noncancerous and cancerous human breast tissues. Identification and phase transitions of linoleic and oleic acids by Raman low-temperature studies

机译：非癌性和癌性人类乳腺组织的拉曼光谱。通过拉曼低温研究鉴定亚油酸和油酸及其相变

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摘要

We present the results of Raman studies in the temperature range of 293-77 K on vibrational properties of linoleic and oleic acids and Raman microspectroscopy of human breast tissues at room temperature. Our results confirmed the significant role of unsaturated fatty acids in differentiation of noncancerous and cancerous breast tissues and the role of vibrational spectroscopy in phase transition identification. We have found that vibrational properties are very sensitive indicators to specify phases and phase transitions typical of unsaturated fatty acids at the molecular level. Using Raman spectroscopy we have identified high-temperature, middle-temperature and low-temperature phases of linoleic acid. Results obtained for linoleic acid were compared with parameters characteristic of alpha and gamma phases of oleic acid - the parent compound of polyunsaturated fatty acids.
机译：我们提出了在293-77 K的温度范围内对亚油酸和油酸的振动特性以及人体乳房组织在室温下的拉曼光谱的拉曼研究的结果。我们的结果证实了不饱和脂肪酸在非癌性和癌性乳腺组织分化中的重要作用，以及振动光谱在相变鉴定中的作用。我们已经发现，振动性质是非常敏感的指标，用于指定分子水平上不饱和脂肪酸的典型相和相变。使用拉曼光谱，我们已经确定了亚油酸的高温，中温和低温相。将亚油酸获得的结果与油酸（多不饱和脂肪酸的母体化合物）的α和γ相的特征参数进行了比较。

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